CN102738999A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN102738999A CN102738999A CN201210082526XA CN201210082526A CN102738999A CN 102738999 A CN102738999 A CN 102738999A CN 201210082526X A CN201210082526X A CN 201210082526XA CN 201210082526 A CN201210082526 A CN 201210082526A CN 102738999 A CN102738999 A CN 102738999A
- Authority
- CN
- China
- Prior art keywords
- stator
- stator core
- motor
- portions
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to a motor, which comprises a stator and a rotor, wherein the stator comprises a stator core and a plurality of stator windings wound around the stator core; the stator core is formed by stacking a plurality of stator core sheets along the axial direction of the rotor; the stator core comprises at least two stator pole parts surrounding the rotor therebetween and at least two yoke parts connecting adjacent stator pole parts; and the stator core sheet is formed by splicing at least two separate pieces, wherein at least two stator pole parts are only provided on one of at least two separate pieces. By carrying out the embodiment of the invention, the concentricity between pole arcs of the stator pole parts can be ensured, the installation of end covers on the same horizontal plane is ensured, and the material cost of the motor can also be reduced.
Description
Technical field
The present invention relates to motor, relate in particular to the stator structure of single-phase series motor.
Background technology
Single-phase series motor is also claimed general-purpose machine, is the monophase machine of band commutator, and its rotor winding is connected with stator winding through brush, is type the most frequently used in the AC commutator machine.This kind motor is because rotating speed is high, volume is little, in light weight, detent torque is big, speed governing is convenient; Has the series excitation characteristic; Be usually used in medicine equipment, electric tool, household appliance etc. and need the driving of high speed, little, the lightweight small-power apparatus of volume, as: agitator for food-making, dust catcher, domestic sewing machine, electric drill, electric mill and other portable electric tools.
Stator chip is range upon range of forms by most in the stator core of traditional single-phase series motor, and each stator chip is enclosed construction and one-body molded.The motor stator of this kind structure in process of production; Normally after the stator core assembling is accomplished, again stator winding is wound in stator core, therefore has winding and twine inconvenient shortcoming; And the restriction of the instrument that wound the line, the number of turn of stator winding also can be restricted usually.
For addressing the above problem, the scheme of stator chip has appearred in the prior art being formed by two above separating part assembly units.Japanese patent application laid is opened in the motor that flat 9-131003 discloses, and the stator core chip is spliced by two or four separation members, and stator winding is fitted together each separation member stack of laminations after being wrapped on the straight line portion of separation member lamination again.In this application, the relative position of two stator poles portions just is able to fix after the splicing of separation member lamination, and the location tolerance in the splicing possibly can't guarantee the concentricity of two polar arcs of two stator poles portions.
Summary of the invention
The motor that the embodiment of the invention provides on the one hand comprises stator and rotor; Said stator comprises stator core and some stator winding that is wound in said stator core; Said stator core is formed along axially piling up of said rotor by most stator chips; Said stator core comprises around said rotor two stator poles portions and two yoke portions that connect adjacent stator pole portion therebetween at least at least; Said stator chip is spliced by at least two separation members, and wherein, said at least two stator poles portions only are located at one of them of said at least two separation members.
The motor that provides on the other hand of the embodiment of the invention comprises stator and rotor; Said stator comprises stator core, some stator winding that is wound in said stator core, and a pair of end cap that is divided into the stator core two ends along rotor axial; Said stator core is formed along said axially piling up by most stator chips; Said stator core comprises around said rotor two stator poles portions and two yoke portions that connect adjacent stator pole portion therebetween at least at least; Said stator chip is spliced by at least two separation members, and wherein, each end cap only is fixed in one of them of said at least two separation members.
The motor that the third aspect of the embodiment of the invention provides comprises stator and rotor; Said stator comprises stator core, some stator winding, reaches a pair of end cap that is divided into the stator core two ends along rotor axial; Said stator core is included in two relative directions around said rotor two stator poles portions therebetween and the two U-shaped yoke portions that connect said two stator poles portions in both sides; The bottom that each U-shaped yoke portion has two branches and connects two branches; Said some stator winding are wound in U-shaped yoke portion, and the energising back is at the opposite magnetic pole of said two stator poles portion polarizations; Wherein: be wound with the stator winding of two each intervals in each U-shaped yoke portion, each end cap is striden two bottoms of being located at said two U-shaped yoke portions and between said two stator winding, is fixed with corresponding U-shaped yoke portion.
The embodiment of the invention can guarantee the concentricity between the polar arc of each stator poles portion, and guarantees that end cap installs on same horizontal plane, can also reduce the motor material cost.
In order further to understand characteristic of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet institute's accompanying drawing only provide reference and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Fig. 1 partly illustrates the single-phase series motor of one embodiment of the invention;
Fig. 2 illustrates the stator of motor among Fig. 1;
Fig. 3 illustrates the stator chip of stator among Fig. 2;
Fig. 4 to Fig. 6 illustrates several kinds of distortion of stator chip among Fig. 3;
Fig. 7 partly illustrates the single-phase series motor of another embodiment of the present invention;
Fig. 8 is the plane graph that the part of motor among Fig. 7 is formed;
Fig. 9 partly illustrates the single-phase series motor of third embodiment of the invention;
Figure 10 illustrates the stator chip of motor among Fig. 9;
Figure 11 partly illustrates the single-phase series motor of fourth embodiment of the invention;
Figure 12 partly illustrates the single-phase series motor of fifth embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, describe in detail through specific embodiments of the invention, will make technical scheme of the present invention and other beneficial effects obvious.
See also Fig. 1 to Fig. 3, the single-phase series motor 10 of one embodiment of the invention comprises stator 12 and is installed in the rotor 14 in the stator 12.
Stator 12 comprises stator core 30 and two stator winding 32.Stator core 30 is cascaded along rotor axial by most stator chips 31, be included in two relative directions around therebetween two stator poles portions 34 of rotor 14, and connect two U-shaped yoke portions 36 and 38 of two stator poles portions 34 respectively in both sides.Each stator poles portion 34 has polar arc 40.Each U-shaped yoke portion has two yokes and partly props up 42 and connect two bottoms 46 that yoke portion bottom 46, two stator winding 32 that two yokes partly prop up are wound in two U-shaped yoke portions respectively, and the energising back is at the opposite magnetic pole of two stator poles portions, 34 polarizations.Stator chip 31 is spliced to form enclosed construction by two separation members; One of them is strip piece 50 for two separation members; Another is a U-shaped spare 52; Bottom 51, the two stator poles portions 34 that U-shaped spare 52 has two branches 53 and connects two branches are divided in two branches 53 of U-shaped spare 52, and two separation members 50 and 52 are stitched together through the two pairs of composition surfaces 55 and 57 with depressed part 54 and lug boss 56.In the production process; After can earlier a majority strip piece 50 and most U-shaped spares 52 being piled up the formation lamination respectively; With two insulation coil holders 58 be fixed to two laminations respectively and in two insulation after twining stator winding 32 on the frame 58, two laminations that will be wound with stator winding 32 again are assembled into together.
Along rotor 14 axially be arranged with two end cap 60 and 62 at the two ends of stator core 30, be equiped with bearing 64 on the two end cap 60 and 62 respectively with supporting revolving shaft 16 rotatably.Be equiped with a pair of brush holder 66 on the end cap 60, be equiped with carbon brush 67 slidably in each brush holder 66 and be used for the commutator segment sliding contact with commutator 20.Stator winding 32 is connected with the rotor winding electric with commutator 20 through carbon brush.After the energising, stator winding 32 generation magnetic fields, rotor core 18 is passed in magnetic field, and the rotor winding of energising drives rotating shaft 16 rotations under the action of a magnetic field that stator winding 32 produces. End cap 60 and 62 is striden respectively between two branches 53 of the U-shaped spare 52 of being located at stator chip, thereby some installing holes 68 and 70 that the corresponding position that can make screw be passed in two branches 53 and the two end cap of U-shaped spare is offered fix end cap and stator core 30.Magnetic potential difference between two branches 53 of the U-shaped spare at stator poles portion place is bigger, so end cap 60 and 62 processed by non-magnet materials such as aluminium, rubber, to avoid end cap formation leakage magnetic circuit.
Fig. 4 to Fig. 6 illustrates several kinds of distortion of stator chip among Fig. 3, and wherein, two separation members 50 form different embossed card buckle structures with depressed part on 52 the composition surface with lug boss.
In the present embodiment; Two stator poles portions of stator core are located on the single separation member; The relative position of two stator poles portions can be fixed after the moulding of U-shaped spare; Because the deviation of having assembled the relative position of the two stator poles portions that caused when having avoided two stator poles partly to be located at two separation members, therefore can guarantee the concentricity of two polar arcs of two stator poles portions.And; Each end cap only is fixed on the single separation member; Can guarantee that like this end cap installs on same horizontal plane, when avoiding that same end cap is fixed to two separation members since location tolerance cause two separation members not on same horizontal plane caused end cap uneven problem is installed.
Fig. 7 partly illustrates the single-phase series motor 80 of another embodiment of the present invention, and Fig. 8 is the plane graph that the part of motor 80 is formed.Compare with motor 10, in the present embodiment, be wound with stator winding 32 respectively in each U-shaped yoke portion 36 and 38 two branches, each stator winding 32 energising back is at the opposite magnetic pole of two stator poles portions, 34 polarizations.Stator chip is spliced to form enclosed construction by two separation members; One of them is strip piece 50 for two separation members; Another is a U-shaped spare 52; One of them is located at the bottom 51 of U-shaped spare 52 two stator poles portions 34, and another is located at strip piece 50, two separation members 50 and 52 and is stitched together through the two pairs of composition surfaces 55 and 57 with depressed part 54 and lug boss 56. End cap 60 and 62 is striden between two branches 53 of the U-shaped spare 52 of being located at stator chip, thereby the installing hole 68 and 70 that the corresponding position that can make screw be passed in two branches 53 and the two end cap of U-shaped spare is offered fixes end cap and stator core 30.In the present embodiment, the magnetic potential difference of two branches 53 of U-shaped spare 52 is very little, so end cap 60 and 62 can be processed by permeability magnetic materials such as iron, with the economical with materials cost.Same, each end cap only is fixed on the single separation member, can guarantee that end cap installs on same horizontal plane.
Fig. 9 partly illustrates the single-phase series motor 82 of third embodiment of the invention, and Figure 10 illustrates the stator chip 31 of motor 82.Compare with motor 80; In the present embodiment; Stator chip 31 is spliced through the two pairs of composition surfaces 55 and 57 with depressed part 54 and lug boss 56 by two U-shaped spares 84; The terminal one of two branches 86 of each U-shaped spare is extended with utmost point portion part 88, and each stator poles portion 34 is spliced by the two poles of the earth portion part 88 of two relative branches 86 of two U-shaped spares 84.Stator winding 32 is wound in four bends of two U-shaped yoke portions 36 and 38 respectively, can twine the more winding of multiturn number when needed like this. End cap 60 and 62 is striden between two bottoms 87 of being located at two U-shaped spares 84 and at 87 places, said bottom and stator core and is fixed.Likewise, end cap 60 and 62 can be processed with the economical with materials cost by permeability magnetic material.
Figure 11 partly illustrates the single-phase series motor 90 of fourth embodiment of the invention; Wherein, Stator chip 31 is spliced to form enclosed construction by four strip pieces 92～95, and two stator poles portions 34 are located at two relative strip pieces 93 and 95, and these four strip pieces have four pairs of composition surfaces 55 and 57; Every pair engages mask the embossed card buckle structure that is formed by depressed part 54 and lug boss 56 is arranged, and four jiaos of two U-shaped yoke portions of stator core are located on said four pairs of composition surfaces respectively.
Figure 12 partly illustrates the single-phase series motor 96 of fifth embodiment of the invention; Its stator chip is spliced to form enclosed construction by four separation members 92～95 equally; Separation member 92 and 94 roughly takes the shape of the letter U and is oppositely arranged; The terminal one of each separation member 92 and 94 two branches is extended with utmost point portion part 88, and separation member 93 and 95 is oppositely arranged, and is spliced to form stator poles portion with two of two separation members 92 and 94 relative utmost point portion parts 88 respectively.
Being appreciated that stator poles portion 34 is not limited only to the salient pole shown in the accompanying drawing in other embodiment of the present invention, can also be non-salient pole, and the quantity of stator poles portion also can be more than two pairs.In addition, the stator structure described in the embodiment of the invention is not limited only to single-phase series motor, also can be used for the motor of other types.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. motor; Comprise stator and rotor; Said stator comprises stator core and some stator winding that is wound in said stator core; Said stator core is formed along axially piling up of said rotor by most stator chips, and said stator core comprises that said stator chip is spliced by at least two separation members around said rotor at least two stator poles portions and at least two yoke portions that connect adjacent stator pole portion therebetween; It is characterized in that said at least two stator poles portions only are located at one of them of said at least two separation members.
2. stator as claimed in claim 1 is characterized in that, said stator also comprises a pair of end cap that is divided into the stator core two ends vertically, and each end cap only is fixed in said at least two separation members one of them.
3. motor as claimed in claim 1; It is characterized in that; Said stator core comprises relatively and the two stator poles portions that establish and the two U-shaped yoke portions that connect said two stator poles portions in both sides, behind said some stator winding electrifyings at the opposite magnetic pole of said two stator poles portion polarizations.
4. stator as claimed in claim 3 is characterized in that, said stator chip is spliced by a slice U-shaped spare and a slice strip piece, and said two stator poles partly are located at two branches of said U-shaped spare.
5. stator as claimed in claim 4 is characterized in that, said stator also comprises a pair of end cap that is divided into the stator core two ends vertically, and each end cap is striden two branches that are located at said U-shaped spare and fixed in said two bifurcation and stator core.
6. like claim 2 or 5 described motors, it is characterized in that said end cap is processed by non-magnet material.
7. motor; Comprise stator and rotor; Said stator comprises stator core, some stator winding that is wound in said stator core, and a pair of end cap that is divided into the stator core two ends along rotor axial; Said stator core is formed along said axially piling up by most stator chips, and said stator core comprises that said stator chip is spliced by at least two separation members around said rotor at least two stator poles portions and at least two yoke portions that connect adjacent stator pole portion therebetween; It is characterized in that each end cap only is fixed in one of them of said at least two separation members.
8. motor; Comprise stator and rotor; Said stator comprises stator core, some stator winding, reaches a pair of end cap that is divided into the stator core two ends along rotor axial; Said stator core is included in two relative directions around said rotor two stator poles portions therebetween and the two U-shaped yoke portions that connect said two stator poles portions in both sides; The bottom that each U-shaped yoke portion has two branches and connects two branches, said some stator winding are wound in U-shaped yoke portion, and the energising back is at the opposite magnetic pole of said two stator poles portion polarizations; It is characterized in that: be wound with the stator winding of two each intervals in each U-shaped yoke portion, each end cap is striden between two bottoms of being located at said two U-shaped yoke portions and between said two stator winding, is fixed with corresponding U-shaped yoke portion.
9. motor as claimed in claim 8 is characterized in that said end cap is processed by permeability magnetic material.
10. motor as claimed in claim 8 is characterized in that, said two stator winding are wrapped in respectively in two branches of U-shaped yoke portion.
11., it is characterized in that said stator core is formed along axially piling up of said rotor by the stator chip of most tool same structures like each described motor of claim 8 to 10, said stator chip is spliced by at least two separation members.
12. motor as claimed in claim 11 is characterized in that, the stator chip of said stator core is spliced by two U-shaped spares, and each stator poles portion is spliced by the two poles of the earth portion part in the two relative branches that are divided into two U-shaped spares.
13. motor as claimed in claim 11 is characterized in that, the stator chip of said stator core is spliced by a slice U-shaped spare and a slice strip piece.
14. motor as claimed in claim 13 is characterized in that, one of them is located at said U-shaped spare said two stator poles portions, and wherein another is located at said strip piece.
15. motor as claimed in claim 13, its special sheet are that each end cap only is fixed in two branches of said U-shaped spare.
16. motor as claimed in claim 13 is characterized in that, said two stator poles portions are located at two branches of said U-shaped spare respectively.
17. stator as claimed in claim 11; It is characterized in that; The stator chip of said stator core is spliced by four separation members; Said four separation members have four pairs of composition surfaces that comprise the embossed card buckle structure, and said four pairs of composition surfaces are located at four angles of said two U-shaped yoke portions respectively or are divided into said two stator poles portions in twos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082526.XA CN102738999B (en) | 2011-04-01 | 2012-03-26 | Motor |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110085588.1 | 2011-04-01 | ||
| CN2011100855881 | 2011-04-01 | ||
| CN201110085588 | 2011-04-01 | ||
| CN201210082526.XA CN102738999B (en) | 2011-04-01 | 2012-03-26 | Motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102738999A true CN102738999A (en) | 2012-10-17 |
| CN102738999B CN102738999B (en) | 2017-04-19 |
Family
ID=46845233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210082526.XA Active CN102738999B (en) | 2011-04-01 | 2012-03-26 | Motor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9397525B2 (en) |
| CN (1) | CN102738999B (en) |
| DE (2) | DE102012102762A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346706A (en) * | 2020-02-18 | 2021-09-03 | 莱克电气股份有限公司 | Magnetic circuit optimization motor and hair care appliance using same |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140132106A1 (en) * | 2012-11-09 | 2014-05-15 | Nidec Motor Corporation | Motor having bridged stator with search coil |
| CN107240969B (en) * | 2016-03-28 | 2021-03-02 | 德昌电机(深圳)有限公司 | Motor and stator thereof |
| CN107240991A (en) * | 2016-03-28 | 2017-10-10 | 德昌电机(深圳)有限公司 | The assemble method for connecing winding method and stator of machine winding |
| CN107240967B (en) * | 2016-03-28 | 2020-11-24 | 德昌电机(深圳)有限公司 | Motor and stator thereof |
| EP3252923B1 (en) * | 2016-05-30 | 2019-11-27 | Magna Auteca GmbH | Two-phase electric motor |
| DE102019101270A1 (en) | 2019-01-18 | 2020-07-23 | Gkn Sinter Metals Engineering Gmbh | Electric motor |
| ES2929796T3 (en) * | 2019-09-20 | 2022-12-01 | Once Top Motor Mft Co Ltd | A high speed single phase brushless motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402028A (en) * | 1990-11-29 | 1995-03-28 | Robert Bosch Gmbh | Stator for an electric machine |
| US5955814A (en) * | 1995-05-15 | 1999-09-21 | Sanyo Electric Co., Ltd. | Motor having a stator and a rotor, the stator having a plurality of divided members |
| US20050223541A1 (en) * | 2003-10-29 | 2005-10-13 | A.O. Smith Corporation | Electrical machine and method of manufacturing the same |
| CN201403005Y (en) * | 2009-05-06 | 2010-02-10 | 无锡顶一电机有限公司 | Low-cost current excitation motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3406906A1 (en) | 1984-02-25 | 1985-09-05 | Black & Decker Inc., Newark, Del. | STATOR FOR A UNIVERSAL MOTOR AND METHOD FOR ASSEMBLING A UNIVERSAL MOTOR |
| JPS6431003A (en) | 1987-07-28 | 1989-02-01 | Fujitsu Ltd | Probe for scanning-type tunnel microscope and manufacture thereof |
| JPH0331003A (en) | 1989-06-27 | 1991-02-08 | Konica Corp | Transporter for photosensitive print plate |
| US5627424A (en) | 1993-09-30 | 1997-05-06 | Steiner; Robert E. | Twin bobbin four pole motors and methods for making same |
| US5492509A (en) | 1994-06-06 | 1996-02-20 | Ford Motor Company | Operating range selection of an automatic transmission |
-
2012
- 2012-03-26 CN CN201210082526.XA patent/CN102738999B/en active Active
- 2012-03-30 US US13/435,948 patent/US9397525B2/en not_active Expired - Fee Related
- 2012-03-30 DE DE102012102762A patent/DE102012102762A1/en not_active Withdrawn
- 2012-03-30 DE DE102012102764A patent/DE102012102764A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402028A (en) * | 1990-11-29 | 1995-03-28 | Robert Bosch Gmbh | Stator for an electric machine |
| US5955814A (en) * | 1995-05-15 | 1999-09-21 | Sanyo Electric Co., Ltd. | Motor having a stator and a rotor, the stator having a plurality of divided members |
| US20050223541A1 (en) * | 2003-10-29 | 2005-10-13 | A.O. Smith Corporation | Electrical machine and method of manufacturing the same |
| CN201403005Y (en) * | 2009-05-06 | 2010-02-10 | 无锡顶一电机有限公司 | Low-cost current excitation motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346706A (en) * | 2020-02-18 | 2021-09-03 | 莱克电气股份有限公司 | Magnetic circuit optimization motor and hair care appliance using same |
| CN113346706B (en) * | 2020-02-18 | 2023-06-13 | 莱克电气股份有限公司 | Magnetic circuit optimization motor and hair care appliance using same |
Also Published As
| Publication number | Publication date |
|---|---|
| US9397525B2 (en) | 2016-07-19 |
| US20120248927A1 (en) | 2012-10-04 |
| CN102738999B (en) | 2017-04-19 |
| DE102012102764A1 (en) | 2012-10-04 |
| DE102012102762A1 (en) | 2012-10-04 |
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